Jan 7 (Reuters) - Alterity Therapeutics Ltd ATH.AX :
* DR DAVID STAMLER APPOINTED CEO
* GEOFFREY KEMPLER WILL STEP DOWN FROM ROLE OF CEO AND CONTINUE AS NON-EXECUTIVE CHAIRMAN
Jan 7 (Reuters) - Alterity Therapeutics Ltd ATH.AX :
* DR DAVID STAMLER APPOINTED CEO
* GEOFFREY KEMPLER WILL STEP DOWN FROM ROLE OF CEO AND CONTINUE AS NON-EXECUTIVE CHAIRMAN